分层接入特高压直流输电系统协调控制策略研究
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摘要
分层接入方式的特高压直流输电系统能够提高多馈入直流输电系统的电压支撑能力,并缓解多馈入直流同时或级联换相失败问题,在工程中得到了应用。建立分层接入方式的特高压直流输电系统模型,研究了高低端逆变器同时换相失败发生的耦合机理。然后,提出基于逆变侧关断角的分层接入特高压直流输电系统高低端逆变器间的协调控制策略。基于PSCAD/EMTDC仿真研究了所提协调控制策略的作用效果,结果表明,所提出的基于逆变侧关断角的协调控制策略能够有效降低分层接入方式的特高压直流输电系统中高低端逆变器同时发生换相失败的概率。
The ultra high voltage direct current(UHVDC)system under hierarchical connection mode can improve the voltage support capability of multi-infeed HVDC systems, and alleviate the problem of concurrent or cascade commutation failure, it has been widely applied in project. In this paper, the model of UHVDC system under hierarchical connection mode was developed and the principle of concurrent commutation failure of both high-end and low-end inverters was analyzed.The extinction angle based coordinated control approach between high-end and low-end inverters for UHVDC system under hierarchical connection mode was proposed. The effect of proposed coordinated control was investigated by PSCAD/EMTDC. It turned out that the proposed coordinated control can availably decrease the probability of both high-end and low-end inverters in UHVDC system.
The ultra high voltage direct current(UHVDC)system under hierarchical connection mode can improve the voltage support capability of multi-infeed HVDC systems, and alleviate the problem of concurrent or cascade commutation failure, it has been widely applied in project. In this paper, the model of UHVDC system under hierarchical connection mode was developed and the principle of concurrent commutation failure of both high-end and low-end inverters was analyzed.The extinction angle based coordinated control approach between high-end and low-end inverters for UHVDC system under hierarchical connection mode was proposed. The effect of proposed coordinated control was investigated by PSCAD/EMTDC. It turned out that the proposed coordinated control can availably decrease the probability of both high-end and low-end inverters in UHVDC system.
引文
[1]刘振亚.特高压交直流电网[M].北京:中国电力出版社,2013:65-89.Liu Zhenya.Ultra-high voltage AC&DC grid[M].Beijing:China Electric Power Press,2013:65-89(in Chinese).
[2]刘振亚.全球能源互联网[M].北京:中国电力出版社,2015:39-70.Liu Zhenya.Global energy internet[M].Beijing:China Electric Power Press,2015:39-70(in Chinese).
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[4]浙江大学直流输电科研组.直流输电[M].北京:水利水电出版社,1985:258-259.Zhejiang University HVDC Group.HVDC transmission[M].Beijing:Hydro and Power Press,1985:258-259(in Chinese).
[5]Karawita C,Annakkage U D.Multi-infeed HVDCinteraction studies using small-signal stability assessment[J].IEEE Transactions on Power Delivery,2009,24(2):910-918.
[6]Xiao H,Li Y,Zhu J,et al.Efficient approach to quantify commutation failure immunity levels in multi-infeed HVDC systems[J].IET Generation Transmission&Distribution,2016,10(4):1032-1038.
[7]Guo Chunyi,Li Chunhua,Zhao Chengyong,et al.An evolutional line-commutated converter integrated with Thyristor-based full-bridge module to mitigate the commutation failure[J].IEEE Transactions on Power Electronics,2017,32(2):967-976.
[8]Guo Chunyi,Yang Zhizhong,Jiang Bisong,et al.An evolved capacitor-commutated converter embedded with antiparallel Thyristors based dual-directional full-bridge module[J].IEEE Transactions on Power Delivery,2018,33(2):928-937.
[9]Sun Y Z,Peng Ling,Ma Feng,et al.Design a fuzzy controller to minimize the effect of HVDC commutation failure on power system[J].IEEE Transactions on Power Systems,2008,23(1):100-107.
[10]郭春义,李春华,刘羽超,等.一种抑制传统直流输电连续换相失败的虚拟电阻电流限制控制方法[J].中国电机工程学报,2016,36(18):4930-4937.Guo Chunyi,Li Chunhua,Liu Yuchao,et al.A DC current limitation control method based on virtual-resistance to mitigate the continuous commutation failure for conventional HVDC[J].Proceedings of the CSEE,2016,36(18):4930-4937(in Chinese).
[11]Rahimi E,Gole A M,Davies J B,et al.Commutation failure analysis in multi-infeed HVDC systems[J].IEEETransactions on Power Delivery,2011,26(1):378-384.
[12]Guo Chunyi,Zhang Yi,Gole A M,et al.Analysis of dual-infeed HVDC with LCC-HVDC and VSC-HVDC[J].IEEE Transactions on Power Delivery,2012,27(3):1529-1537.
[13]刘振亚,秦晓辉,赵良,等.特高压直流分层接入方式在多馈入直流电网的应用研究[J].中国电机工程学报,2013,33(10):1-7.Liu Zhenya,Qin Xiaohui,Zhao Liang,et al.Study on the application of UHVDC hierarchical connection mode to multi-infeed HVDC system[J].Proceedings of the CSEE,2013,33(10):1-7(in Chinese).
[14]李少华,王秀丽,张望,等.特高压直流分层接入交流电网方式下直流控制系统设计[J].中国电机工程学报,2015,35(10):2409-2416.Li Shaohua,Wang Xiuli,Zhang Wang,et al.Control system design for UHVDC hierarchical connection to ACgrid[J].Proceedings of the CSEE,2015,35(10):2409-2416(in Chinese).
[15]汤奕,陈斌,皮景创,等.特高压直流分层接入方式下受端交流系统接纳能力分析[J].中国电机工程学报,2016,36(7):1790-1800.Tang Yi,Chen Bi,Pi Jingchuang,et al.Analysis on absorbing ability of receiving AC system for UHVDChierarchical connection to AC grid[J].Proceedings of the CSEE,2016,36(7):1790-1800(in Chinese).
[16]郭龙,刘崇茹,贠飞龙,等.±1 100 kV直流系统分层接入方式下的功率协调控制[J].电力系统自动化,2015,39(11):24-30.Guo Long,Liu Chongru,Yun Feilong,et al.Power coordination control of?1100k V UHVDC system with hierarchical connection mode[J].Automation of Electric Power System,2015,39(11):24-30(in Chinese).
[17]汤奕,陈斌,王琦,等.特高压直流分层接入下混联系统无功电压耦合特性分析[J].电网技术,2016,40(4):1005-1011.Tang Yi,Chen Bin,Wang Qi,et al.Analysis on reactive power and voltage coupling characteristics of hybrid system for UHVDC hierarchical connection to ACgrid[J].Power System Technology,2016,40(4):1005-1011(in Chinese).
[18]徐政.交直流电力系统动态行为分析[M].北京:机械工业出版社,2004:39-44.Xu Zheng.Dynamic performance analysis for AC/DCsystems[M].Beijing:China Machine Press,2004:39-44(in Chinese).
[19]袁阳,卫志农,雷霄,等.直流输电系统换相失败研究综述[J].电力自动化设备,2013,33(11):140-147.Yuan Yang,Wei Zhinong,Lei Xiao,et al.Survey of commutation failures in DC transmission systems[J].Electric Power Automation Equipment,2013,33(11):140-147(in Chinese).
[20]Rahimi E,Gole A M,Davies J B,et al.Commutation failure in single-and multi-infeed HVDC systems[C]//Proceedings of the 8th IEE International Conference on AC and DC Power Transmission.London:IEEE,2006:182-186.
[2]刘振亚.全球能源互联网[M].北京:中国电力出版社,2015:39-70.Liu Zhenya.Global energy internet[M].Beijing:China Electric Power Press,2015:39-70(in Chinese).
[3]赵畹君.高压直流输电工程技术[M].2版.北京:中国电力出版社,2011:1-17.Zhao Wanjun.HVDC transmission technology[M].2nd ed.Beijing:China Electric Power Press,2004:1-17(in Chinese).
[4]浙江大学直流输电科研组.直流输电[M].北京:水利水电出版社,1985:258-259.Zhejiang University HVDC Group.HVDC transmission[M].Beijing:Hydro and Power Press,1985:258-259(in Chinese).
[5]Karawita C,Annakkage U D.Multi-infeed HVDCinteraction studies using small-signal stability assessment[J].IEEE Transactions on Power Delivery,2009,24(2):910-918.
[6]Xiao H,Li Y,Zhu J,et al.Efficient approach to quantify commutation failure immunity levels in multi-infeed HVDC systems[J].IET Generation Transmission&Distribution,2016,10(4):1032-1038.
[7]Guo Chunyi,Li Chunhua,Zhao Chengyong,et al.An evolutional line-commutated converter integrated with Thyristor-based full-bridge module to mitigate the commutation failure[J].IEEE Transactions on Power Electronics,2017,32(2):967-976.
[8]Guo Chunyi,Yang Zhizhong,Jiang Bisong,et al.An evolved capacitor-commutated converter embedded with antiparallel Thyristors based dual-directional full-bridge module[J].IEEE Transactions on Power Delivery,2018,33(2):928-937.
[9]Sun Y Z,Peng Ling,Ma Feng,et al.Design a fuzzy controller to minimize the effect of HVDC commutation failure on power system[J].IEEE Transactions on Power Systems,2008,23(1):100-107.
[10]郭春义,李春华,刘羽超,等.一种抑制传统直流输电连续换相失败的虚拟电阻电流限制控制方法[J].中国电机工程学报,2016,36(18):4930-4937.Guo Chunyi,Li Chunhua,Liu Yuchao,et al.A DC current limitation control method based on virtual-resistance to mitigate the continuous commutation failure for conventional HVDC[J].Proceedings of the CSEE,2016,36(18):4930-4937(in Chinese).
[11]Rahimi E,Gole A M,Davies J B,et al.Commutation failure analysis in multi-infeed HVDC systems[J].IEEETransactions on Power Delivery,2011,26(1):378-384.
[12]Guo Chunyi,Zhang Yi,Gole A M,et al.Analysis of dual-infeed HVDC with LCC-HVDC and VSC-HVDC[J].IEEE Transactions on Power Delivery,2012,27(3):1529-1537.
[13]刘振亚,秦晓辉,赵良,等.特高压直流分层接入方式在多馈入直流电网的应用研究[J].中国电机工程学报,2013,33(10):1-7.Liu Zhenya,Qin Xiaohui,Zhao Liang,et al.Study on the application of UHVDC hierarchical connection mode to multi-infeed HVDC system[J].Proceedings of the CSEE,2013,33(10):1-7(in Chinese).
[14]李少华,王秀丽,张望,等.特高压直流分层接入交流电网方式下直流控制系统设计[J].中国电机工程学报,2015,35(10):2409-2416.Li Shaohua,Wang Xiuli,Zhang Wang,et al.Control system design for UHVDC hierarchical connection to ACgrid[J].Proceedings of the CSEE,2015,35(10):2409-2416(in Chinese).
[15]汤奕,陈斌,皮景创,等.特高压直流分层接入方式下受端交流系统接纳能力分析[J].中国电机工程学报,2016,36(7):1790-1800.Tang Yi,Chen Bi,Pi Jingchuang,et al.Analysis on absorbing ability of receiving AC system for UHVDChierarchical connection to AC grid[J].Proceedings of the CSEE,2016,36(7):1790-1800(in Chinese).
[16]郭龙,刘崇茹,贠飞龙,等.±1 100 kV直流系统分层接入方式下的功率协调控制[J].电力系统自动化,2015,39(11):24-30.Guo Long,Liu Chongru,Yun Feilong,et al.Power coordination control of?1100k V UHVDC system with hierarchical connection mode[J].Automation of Electric Power System,2015,39(11):24-30(in Chinese).
[17]汤奕,陈斌,王琦,等.特高压直流分层接入下混联系统无功电压耦合特性分析[J].电网技术,2016,40(4):1005-1011.Tang Yi,Chen Bin,Wang Qi,et al.Analysis on reactive power and voltage coupling characteristics of hybrid system for UHVDC hierarchical connection to ACgrid[J].Power System Technology,2016,40(4):1005-1011(in Chinese).
[18]徐政.交直流电力系统动态行为分析[M].北京:机械工业出版社,2004:39-44.Xu Zheng.Dynamic performance analysis for AC/DCsystems[M].Beijing:China Machine Press,2004:39-44(in Chinese).
[19]袁阳,卫志农,雷霄,等.直流输电系统换相失败研究综述[J].电力自动化设备,2013,33(11):140-147.Yuan Yang,Wei Zhinong,Lei Xiao,et al.Survey of commutation failures in DC transmission systems[J].Electric Power Automation Equipment,2013,33(11):140-147(in Chinese).
[20]Rahimi E,Gole A M,Davies J B,et al.Commutation failure in single-and multi-infeed HVDC systems[C]//Proceedings of the 8th IEE International Conference on AC and DC Power Transmission.London:IEEE,2006:182-186.
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